在线工具
持续收集和整理学习、工作与生活中值得收藏的在线资源和实用工具，涵盖多种用途，方便随时发现与查找。
编辑器
WebAssembly Studio
https://esmbly.github.io/WebAssemblyStudio/
The WebAssembly Studio has a client-server architecture.
Compiler Explorer
Compiler Explorer is an interactive online compiler which shows the assembly output of compiled C++, Rust, Go (and many more) code.
tutorialspoint - Coding Ground
https://www.tutorialspoint.com/codingground.htm
C, C++, Java, Python, PHP Online IDE and Compliers.
photopea
Photopea Online Photo Editor lets you edit photos, apply effects, filters, add text, crop or resize pictures.
数学工具
CalcuClub
Binary to Hexadecimal Converter
Welcome to CalcuClub, where you’ll find easy-to-use calculators and tools for a wide range of topics, from conversions to web development.
IEEE-754 Floating Point Converter
https://www.h-schmidt.net/FloatConverter/IEEE754.html
This page allows you to convert between the decimal representation of a number (like “1.02”) and the binary format used by all modern CPUs (a.k.a. “IEEE 754 floating point”).
数学可视化工具
GeoGebra
GeoGebra - the world’s favorite, free math tools used by over 100 million studen…. Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more.
desmos
https://www.desmos.com/?lang=zh-CN
Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add …
Kanaries
在线数据分析与可视化工具集合。探索 Kanaries 的在线数据工具套件，轻松可视化您的数据。拖放您的数据即可获得即时可视化效果。
颜色配色
Encycolorpedia
Hex Color Codes, Paint Matching and Color Picker.
Coolors
Coolors is the lightning-fast, ultra-intuitive color palette generator for designers, creators, and anyone seeking visual harmony. Instantly generate beautiful palettes by hitting the spacebar, or explore millions of popular ones. Extract colors from images, check accessibility, and preview them on real designs. Organize your palettes into projects and export them in multiple formats—effortlessly across web, apps, and plugins.
文件转换
Any Conv
Online File Converter. Convert documents, images, videos, audio and more - fast, secure and 100% free. No software needed. Just upload your file and get the job done online with AnyConv.
imgdiet
Online Image Compression and Conversion Tool
阅读器
Neat Reader
https://www.neat-reader.cn/webapp#/
Neat Reader 是一款美观易用、强大功能的电子书阅读器，支持EPUB和TXT格式，提供云端存储、多端同步、笔记功能等特色服务。
资源下载
DownLoadBunny
DLBunny is a free and popular short video download tool that supports multiple languages, including English, French, German, Spanish, Arabic, Chinese, Japanese, Korean, Vietnamese, etc. You can use it to download your favorite videos, pictures or audio files (completely free).
流程图
draw.io
Draw.io is free online diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams.
ProcessOn
https://www.processon.io/diagrams
ProcessOn is a professional online drawing tool and knowledge sharing platform, providing AI one-click generated mind map flowcharts.
文字字体生成
1-Bit Pixel Art Font Editor
https://www.moonbench.xyz/workshop/font_editor/font_editor.html
This tool is designed to help developers create fonts for embedded projects.
硬件控制
Fan Control
Highly focused fan software for Windows.
Dead Pixel Test
Check If Your Screen Has Dead Pixels.